Quote Originally Posted by bmj420420 View Post
Will I be able to do well autobattling with Cassiopeia, Yamaraja, Amaterasu, Amon (normal), Ragaraja, Gaia (there for leveling reasons), and Eligos (there for waifu reasons)?
Define "well"?

Because it's a raid event, you don't need to do "well." Just join a fight, hit once. Host a fight, open invites, close the browser, come back after your AP has regened. Done, you've completed awards and done "well."

Or do you mean solo raid content well? Raids tend to be quite tough to solo, and usually not worth it. If your grid is good, your group certainly should be able to handle it with just AAB, I'd imagine. But I've never seen a point in soloing Raid events - it's just much faster to apply debuffs, open the raid up and just AB. AB is far, far more damage output than AAB, but it's quite likely you'll get horrendously murdered.
Quote Originally Posted by bmj420420 View Post
Should I try really hard for MLBing the eidolon, as my main team is wind (Gaia + Titania) and my Garuda has no limit breaks?
Absolutely. It's a very good Eidolon.
Quote Originally Posted by bmj420420 View Post
When will there be an SSR wind glaive or sword? I'm having difficulty putting Mordred in a team when I don't have the appropriate weapon type.
The encyclopedia in Sanahtlig's toolbox gives you a quick peek on all the upcoming SSRs, including event rewards. You've missed out on Lust's Sword it seems, that one is great. There's also the Koihime Sword, but that one is Defender and will never get a dual skill.

Lust is coming back around May. You'll probably want to use a SR if there's any available. Even Defender SRs, Modred is well worth it in many cases.
Quote Originally Posted by bmj420420 View Post
Finally, with holy souls, what branch should I take?
Seeing as the Morgan path is pretty much useless, go with Shingen route.